
You know, I'm sure if you just apologize
to Gablehauser he'd give your job BACK.
The Big Bang Theory Season 1, Episode 4

Don't worry. Everything's BACK to normal.
The Big Bang Theory Season 8, Episode 2

So we come BACK tomorrow,
strap on the sizzle
Breaking Bad Season 2, Episode 9

I'll be right BACK.
The Big Bang Theory Season 6, Episode 8

and do you mind if I use your
BACK room to smoke some meat?
The Big Bang Theory Season 11, Episode 11